Answer:
0.25×308=$77
185-77=$108
108/0.50×1
=216photos
Total photos=216+308
=524photos
Step-by-step explanation:
30 students
18 divided by 3 is 6
6 x 2 = 12
12 + 18 = 30
*****************here is the answer
area=28.61+12=40.61**************